Bump django from 4.2.18 to 5.1.6

Bumps [django](https://github.com/django/django) from 4.2.18 to 5.1.6.
- [Commits](django/django@4.2.18...5.1.6)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -9,7 +9,7 @@ license = {text = "GPLv3+"}
 readme = "README.md"
 dependencies = [
     "attrs >= 21.3.0",
-    "Django >=4.2.1,<4.3",
+    "Django >=4.2.1,<5.2",
     "Twisted[tls] >= 22.10.0",
     "treq >= 22.2.0",
     "feedparser >= 6.0.8",